.pl-180 {
  padding-left: 180px;
}
.mb_20 {
  margin-bottom: 20px;
}
.ml-20{
  margin-left: 20px;
}
.ts {
  transition: all 0.5s;
}
.lt-aside.hide-menu{
    left: -180px;
}
* {
  margin: 0;
  padding: 0;
  list-style: none;
}
.my-hide {
  display: none;
}
a,
a:link,
a:visited,
a:hover,
a:active {
  text-decoration: none;
}
.lt-aside {
  background-color: #222d32;
  width: 180px;
  height: 1000px;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 2;
  transition: all 1s;
  .brand {
    a {
      width: 180px;
      height: 50px;
      display: block;
      text-align: center;
      font-size: 24px;
      line-height: 50px;
      background-color: #3c8dbc;
      color: white;
    }
  }
  .user {
    width: 180px;
    height: 180px;
    padding-top: 30px;
    img {
      border-radius: 50%;
      width: 80px;
      height: 80px;
      margin: 0 auto;
      display: block;
    }
    p {
      font-size: 18px;
      color: white;
      text-align: center;
      height: 40px;
      line-height: 40px;
    }
  }
  .nav {
    ul {
      a {
        height: 40px;
        display: block;
        padding-left: 20px;
        color: white;
        text-indent: 10px;
        i {
          margin: 0 7px;
        }
      }
      .child {
        padding-left: 40px;
      }
    }
  }
}
.lt-main {
  width: 100%;
  // height: 1000px;
  .lt-top {
    height: 50px;
    width: 100%;
    background-color: #3c8dbc;
    position: fixed;
    top: 0;
    left: 0;
    i{
        color: white;
        margin: 10px;
        font-size: 24px;
    }
  }
  ol{
      margin: 10px;
      margin-top: 60px;
      margin-bottom: 20px;
  }
  table{
    margin: 0 10px;
  }
}
.table.table-bordered th,
.table.table-bordered td {
  text-align: center;
  vertical-align: middle;
}